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प्रश्न
Fill in the boxe to show the corresponding energy transformation.
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उत्तर
Chemical energy ⇌ Electrical energy
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संबंधित प्रश्न
In which of the following cases is work being done:
- A boy pushing a heavy rock
- A boy climbing up the stairs
- A coolie standing with a box on his head
- A girl moving on the road.
A man lifts a mass of 20 kg to a height of 2.5 m. Assuming that the force of gravity on 1 kg mass is 10 N, find the work done by the man.
Write the formula for work done on a body when the body moves at an angle to the direction of force. Give the meaning of each symbol used.
Explain the difference between a uniform linear motion and a uniform circular motion.
What is the ratio of SI units to CGS units of 'work'?
State the energy changes which take place when Water stored in the dam is used to turn turbine in dynamo.
How is horse power related to the S. I. unit of power?
A body of mass 0.5 kg travels on straight line path with velocity v = (3x2 + 4) m/s. The net work done by the force during its displacement from x = 0 tox = 2 m is ______.
State whether work is done or not, by writing yes or no, in the following case:
A boy climbs up 20 stairs.
